package byf;

import java.lang.reflect.Field;
import java.lang.reflect.Method;

public class Appcore {
    public static void main(String[] args) throws  Exception{
        Class<?> A = Class.forName("byf.CustomerService");
        Object c = A.newInstance();
        Field fields = A.getDeclaredField("service");
        fields.setAccessible(true);
        Method say = A.getDeclaredMethod("say");
        Object random2 = say.invoke(c);
    }
}
